Hydroponics is a process of growing plants using a mineral solution rather than soil. Typically, there is a basin of water and nutrient solution, which is periodically pumped over the roots to keep them nourished and hydrated.
Aquaculture is the farming of aquatic animals and plants. These can include fish, crustaceans and mollusks as well as a wide array of aquatic plants.
Aquaponics is a combination of both, using the fish wastewater to nourish the plants and the plants to purify the water in a symbiotic relationship.
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